Commercial Kitchen Extract Systems

Where it is not possible to exhaust directly to atmosphere from the kitchen compartment, the ductwork should be made fire resisting from the point it leaves the compartment to the point of discharge / point it leaves the building envelope.

Due to the possibility of combustible materials building up on the inside of the duct and the higher risk of ignition at the source (open flame cooking, fryers etc), kitchen extract ductwork is particularly susceptible to fires and with a greater intensity than other systems.

Although most commercial kitchen extract systems would shut down in the event of a fire, they must retain their stability, integrity and insulation to prevent the fire from spreading from one compartment to another. Radiant heat is another significant factor for specifying fire resisting ductwork.

CASWELL FIRESAFE® FIRE RATED KITCHEN EXTRACT DUCTWORK AT NANDO'S

Firesafe Fire Rated Ductwork Commercial Kitchen Extract schematic diagram

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